v3.24.2
Derivative Financial Instruments Derivative Financial Instruments - Narrative (Details)
 6 Months Ended
Jun. 30, 2024
USD ($)
instrument
Dec. 31, 2023
USD ($)
instrument
Derivative [Line Items]    
Cash collateral pledged for derivatives $ 98,900,000 $ 119,000,000
CashCollateralPostedForDerivativesInLiabilityPosition $ 46,900,000 $ 42,300,000
Risk participation agreement - participant bank    
Derivative [Line Items]    
Instruments held | instrument 14 14
Non-hedging derivatives, notional amoount $ 227,000,000 $ 230,700,000
Maximum exposure $ 6,100,000 $ 4,500,000
Risk participation agreement - lead bank    
Derivative [Line Items]    
Instruments held | instrument 15 15
Non-hedging derivatives, notional amoount $ 202,900,000 $ 204,800,000
Interest rate contract    
Derivative [Line Items]    
Unrealized losses, net of tax to AOCI 36,600,000  
Amount reclassified from AOCI into interest income on loans 36,100,000  
Amount reclassified from AOCI as a decrease to interest income $ 55,200,000  
Maximum period to hedge forecasted transactions 1 year 8 months 1 day  
Loans Receivable | Not Designated as Hedging Instrument    
Derivative [Line Items]    
Credit risk exposure, net of collateral pledged, relating to derivatives $ 11,300,000 $ 32,900,000